1.\" $NetBSD: hier.7,v 1.69 2006/01/09 18:41:18 tsutsui Exp $ 2.\" 3.\" Copyright (c) 1990, 1993, 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" @(#)hier.7 8.5 (Berkeley) 6/1/94 31.\" 32.Dd January 9, 2006 33.Dt HIER 7 34.Os 35.Sh NAME 36.Nm hier 37.Nd layout of filesystems 38.Sh DESCRIPTION 39An outline of the filesystem hierarchy. 40.Pp 41Naming is very important. 42The 43.Ux 44System relies on filename conventions for much of its power as a system. 45The following file system layout describes generally where things are 46and what they are, with references to other man pages for more detailed 47documentation. 48.Pp 49Not all files will be in every system. 50.Pp 51.Bl -tag -width "/altroot/" 52.It Sy \&/ 53root directory of the system 54.It Sy /COPYRIGHT 55system copyright notice, most often put on 56.Tn CD-ROM 57distributions. 58.It Sy "/[a-z]/" 59user filesystems 60.It Sy /altroot/ 61alternate root filesystem, in case of disaster 62.\" .It Sy /amd/ 63.\" home directories mount point; see 64.\" .Xr amd 8 65.It Sy /bin/ 66utilities used in both single and multi-user environments 67.It Sy /boot* 68second-stage boot loader(s) for some platforms; see 69.Xr installboot 8 70.It Sy /dev/ 71block, character and other special device files 72.Pp 73.Bl -tag -width "MAKEDEV" -compact 74.It Sy MAKEDEV 75script for creating device files; 76see 77.Xr makedev 8 78.It Sy console 79the computer's console device 80.It Sy drum 81system swap space; see 82.Xr drum 4 83.It Sy fd/ 84file descriptor files; 85see 86.Xr fd 4 87.It Sy klog 88kernel logging device; see 89.Xr syslog 3 90.It Sy kmem 91kernel virtual memory device; see 92.Xr mem 4 93.It Sy log 94.Ux 95domain datagram log socket; see 96.Xr syslogd 8 97.It Sy mem 98kernel physical memory device; see 99.Xr mem 4 100.It Sy null 101the null device; see 102.Xr null 4 103.It Sy stderr 104.It Sy stdin 105.It Sy stdout 106file descriptor files; 107see 108.Xr fd 4 109.It Sy tty 110process' controlling terminal device; see 111.Xr tty 4 112.It Sy zero 113the zero device; see 114.Xr zero 4 115.El 116.\" .It Sy /dump/ 117.\" online 118.\" .Xr dump 8 119.\" repository 120.It Sy /etc/ 121system configuration files and scripts 122.Pp 123.Bl -tag -width "master.passwd" -compact 124.It Sy amd* 125configuration files for 126.Xr amd 8 127.It Sy changelist 128files backed up by the security script 129.It Sy crontab 130schedule used by the 131.Xr cron 8 132daemon 133.It Sy csh.cshrc 134.It Sy csh.login 135.It Sy csh.logout 136system-wide scripts for 137.Xr csh 1 138.It Sy daily 139script run each day by 140.Xr cron 8 141.It Sy daily.conf 142configuration file for 143.Sy daily ; 144see 145.Xr daily.conf 5 146.It Sy defaults/ 147default configuration files read by various 148.Pa /etc/*.conf 149files 150.It Sy disktab 151disk description file, see 152.Xr disktab 5 153.It Sy dm.conf 154dungeon master configuration; see 155.Xr dm.conf 5 156.It Sy dumpdates 157dump history; see 158.Xr dump 8 159.It Sy exports 160filesystem export information; see 161.Xr mountd 8 162.It Sy fstab 163filesystem information; see 164.Xr fstab 5 165and 166.Xr mount 8 167.It Sy ftpusers 168users denied 169.Xr ftp 1 170access; see 171.Xr ftpd 8 172.It Sy ftpwelcome 173.Xr ftp 1 174initial message; see 175.Xr ftpd 8 176.It Sy gettytab 177terminal configuration database; see 178.Xr gettytab 5 179.It Sy group 180group permissions file; see 181.Xr group 5 182.It Sy hosts 183host name database backup for 184.Xr named 8 ; 185see 186.Xr hosts 5 187.It Sy hosts.equiv 188trusted machines with equivalent user ID's 189.It Sy hosts.lpd 190trusted machines with printing privileges 191.It Sy inetd.conf 192Internet server configuration file; see 193.Xr inetd 8 194.It Sy kerberosIV/ 195configuration files for the kerberos version IV; 196see 197.Xr kerberos 8 198.It Sy kerberosV/ 199configuration files for the kerberos version V; 200see 201.Xr kerberos 8 202.It Sy localtime 203local timezone information; 204see 205.Xr ctime 3 206.It Sy mail/ 207configuration files for 208.Xr sendmail 8 209.Pp 210.Bl -tag -width "sendmail.*" -compact 211.It Sy aliases* 212name alias files 213.It Sy sendmail.* 214.Xr sendmail 8 215configuration information 216.El 217.It Sy mail.rc 218system-wide initialization script for 219.Xr mail 1 220.It Sy man.conf 221configuration file for 222.Xr man 1 ; 223see 224.Xr man.conf 5 225.It Sy master.passwd 226Main password file, readable only by root; see 227.Xr passwd 5 228.It Sy mk.conf 229optional file containing 230.Xr make 1 231variables, read by pkgsrc and the system sources. 232.It Sy monthly 233script run each month by 234.Xr cron 8 235.It Sy monthly.conf 236configuration file for 237.Sy monthly ; 238see 239.Xr monthly.conf 5 240.It Sy motd 241system message of the day 242.It Sy mtree/ 243mtree configuration files; 244see 245.Xr mtree 8 246.It Sy named.* 247.It Sy namedb/ 248named configuration files and databases; 249see 250.Xr named 8 251.It Sy netgroup 252network groups; see 253.Xr netgroup 5 254.It Sy netstart 255network startup script 256.It Sy networks 257network name data base; see 258.Xr networks 5 259.It Sy passwd 260World readable password file generated from master.passwd; see 261.Xr passwd 5 , 262.Xr pwd_mkdb 8 263.It Sy phones 264remote host phone number data base; see 265.Xr phones 5 266.It Sy printcap 267system printer configuration; see 268.Xr printcap 5 269.It Sy protocols 270protocol name database; see 271.Xr protocols 5 272.It Sy pwd.db 273database form of passwd file; see 274.Xr pwd_mkdb 8 275.It Sy rc 276master system startup script invoked by 277.Xr init 8 ; 278see 279.Xr rc 8 280.It Sy rc.conf 281configuration file for system startup and shutdown scripts; see 282.Xr rc.conf 5 283.It Sy rc.d/ 284directory containing per-subsystem startup and shutdown scripts; see 285.Xr rc 8 286.It Sy rc.local 287locally editable system startup script 288.It Sy rc.shutdown 289master system shutdown script invoked by 290.Xr shutdown 8 ; 291see 292.Xr rc 8 293.It Sy remote 294remote host description file; see 295.Xr remote 5 296.It Sy security 297daily (in)security script run by 298.Xr cron 8 299.It Sy security.conf 300configuration file for 301.Sy security ; 302see 303.Xr security.conf 5 304.It Sy services 305service name data base; see 306.Xr services 5 307.It Sy shells 308list of permitted shells; see 309.Xr shells 5 310.It Sy sliphome/ 311.Tn SLIP 312login/logout scripts; see 313.Xr sliplogin 8 314.It Sy spwd.db 315database form of master.passwd file; see 316.Xr pwd_mkdb 8 317.It Sy syslog.conf 318.Xr syslogd 8 319configuration file; see 320.Xr syslog.conf 5 321.It Sy termcap 322terminal type database; see 323.Xr termcap 3 324.It Sy ttys 325terminal initialization information; see 326.Xr ttys 5 327.It Sy uucp/ 328UUCP configuration files; see 329.Xr uucp 1 330and 331.Xr uucico 8 . 332.It Sy weekly 333script run each week by 334.Xr cron 8 335.It Sy weekly.conf 336configuration file for 337.Sy weekly ; 338see 339.Xr weekly.conf 5 340.El 341.It Sy /home/ 342mount point for the automounter; see 343.Xr amd 8 344.It Sy /lib/ 345dynamic linked libraries used by dynamic linked programs 346(such as those in 347.Pa /bin/ 348and 349.Pa /sbin/ ) 350that cannot rely upon 351.Pa /usr/lib/ 352being available. 353.It Sy /libexec/ 354system utilities (such as the dynamic linker) required by programs 355and libraries that cannot rely upon 356.Pa /usr/libexec/ 357being available. 358.It Sy /mnt/ 359empty directory commonly used by 360system administrators as a temporary mount point 361.It Sy /netbsd 362pure kernel executable (the operating system loaded into memory 363at boot time). 364.It Sy /rescue/ 365statically linked rescue tools, for use in system recovery 366.It Sy /root/ 367home directory for the super-user 368.Pp 369.Bl -tag -width ".profile" -compact 370.It Sy \&.cshrc 371super-user start-up file 372.It Sy \&.login 373super-user start-up file 374.It Sy \&.profile 375super-user start-up file 376.It Sy \&.rhosts 377super-user id mapping between machines 378.El 379.ne 1i 380.It Sy /sbin/ 381system programs and administration utilities 382used in both single-user and multi-user environments 383.It Sy /stand/ 384programs used in a standalone environment 385.It Sy /tmp/ 386temporary files, usually a 387.Xr mfs 8 388memory-based filesystem (the contents of 389.Pa /tmp 390are usually 391.Em not 392preserved across a system reboot) 393.It Sy /usr/ 394contains the majority of the system utilities and files 395.Pp 396.Bl -tag -width "libdata/" -compact 397.It Sy X11R6/ 398X11 files 399.Pp 400.Bl -tag -width "include/" -compact 401.It Sy bin/ 402X11 binaries 403.It Sy include/ 404X11 include files 405.It Sy lib/ 406X11 libraries 407.El 408.Pp 409.It Sy bin/ 410common utilities, programming tools, and applications 411.It Sy games/ 412the important stuff 413.It Sy include/ 414standard C include files 415.Pp 416.Bl -tag -width "kerberosIV/" -compact 417.It Sy arpa/ 418include files for Internet service protocols 419.It Sy g++/ 420include files for the C++ compiler 421.It Sy kerberosIV/ 422include files for kerberos authentication package; 423see 424.Xr kerberos 8 425.It Sy machine/ 426machine specific include files 427.It Sy net/ 428.It Sy netatalk/ 429C include files for AppleTalk protocols 430miscellaneous network include files; 431see 432.Xr atalk 4 433.It Sy netccitt/ 434CCITT networking include files 435.It Sy netinet/ 436include files for Internet standard protocols; see 437.Xr inet 4 438.It Sy netinet6/ 439include files for Internet protocol version 6; see 440.Xr inet6 4 441.It Sy netiso/ 442include files for ISO standard protocols; see 443.Xr iso 4 444.It Sy netkey/ 445include files for secret key management, used for security protocols; see 446.Xr ipsec 4 447.It Sy netnatm/ 448C include files for native mode ATM 449.It Sy netns/ 450C include files for XNS standard protocols; see 451.Xr ns 4 452.It Sy nfs/ 453C include files for NFS (Network File System) 454.It Sy protocols/ 455C include files for Berkeley service protocols 456.It Sy sys/ 457system C include files (kernel data structures) 458.It Sy ufs/ 459C include files for UFS (The U-word File System) 460.El 461.Pp 462.It Sy lib/ 463archive, profiled, position independent archive, and shared libraries 464.It Sy libdata/ 465miscellaneous utility data files 466.It Sy libexec/ 467system daemons \*[Am] system utilities (executed by other programs) 468.Pp 469.Bl -tag -width "uucp/" -compact 470.It Sy uucp/ 471UUCP binaries and scripts (historically placed; to be moved) 472.El 473.Pp 474.It Sy lkm/ 475loadable kernel modules 476.It Sy mdec/ 477boot blocks, etc. 478.It Sy obj/ 479architecture-specific target tree produced by building the 480.Pa /usr/src 481tree; normally a symbolic link or mounted filesystem 482.It Sy pkg/ 483packages maintained by groups other than the 484.Nx 485Project. 486.Pp 487.Bl -tag -width "include/" -compact 488.It Sy bin/ 489contributed binaries 490.It Sy include/ 491contributed include files 492.It Sy lib/ 493contributed libraries 494.It Sy libdata/ 495contributed data files 496.It Sy libexec/ 497contributed daemons 498.It Sy sbin/ 499contributed system utilities 500.El 501.Pp 502.It Sy pkgsrc/ 503build descriptions ("packages") for the 504.Nx 505packages system. 506.Pp 507.Bl -tag -width "distfilesX" -compact 508.It Sy distfiles/ 509Where unchanged source archives are fetched to/stored 510.It Sy packages/ 511Where compiled binary packages are stored 512.El 513.Pp 514There are also several other subdirectories which contain packages of 515a certain category, e.g., archivers, graphics, ... 516.Pp 517.It Sy sbin/ 518system daemons and system utilities (normally executed by the super-user) 519.It Sy share/ 520architecture-independent text files 521.Pp 522.Bl -tag -width "calendar/" -compact 523.It Sy calendar/ 524a variety of calendar files; see 525.Xr calendar 1 526.It Sy dict/ 527word lists; 528see 529.Xr look 1 530and 531.Xr spell 1 532.Pp 533.Bl -tag -width "special/" -compact 534.It Sy words 535common words 536.It Sy web2 537words of Webster's 2nd International 538.It Sy papers/ 539reference databases; 540see 541.Xr refer 1 542.It Sy special/ 543custom word lists; 544see 545.Xr spell 1 546.El 547.Pp 548.It Sy doc/ 549miscellaneous documentation; source for most of the printed 550.Bx 4.3 551manuals (available 552from the 553.Tn USENIX 554association) 555.It Sy games/ 556text files used by various games 557.It Sy i18n/ 558internationalization databases; see 559.Xr iconv 3 560.It Sy lkm/ 561documentation on the loadable kernel modules interface 562.It Sy locale/ 563locale databases and gettext message catalogs; see 564.Xr setlocale 3 565and 566.Xr gettext 3 567.It Sy man/ 568formatted manual pages 569.It Sy me/ 570macros for use with the 571.Xr me 7 572macro package 573.It Sy misc/ 574miscellaneous system-wide text files 575.Pp 576.Bl -tag -width "termcap" -compact 577.It Sy termcap 578terminal characteristics database; 579see 580.Xr termcap 5 581.El 582.Pp 583.It Sy mk/ 584include files for 585.Xr make 1 586.It Sy ms/ 587macros for use with the 588.Xr ms 7 589macro package 590.It Sy nls/ 591message catalogs; see 592.Xr catgets 3 593.It Sy skel/ 594sample initialization files for new user accounts 595.It Sy tabset/ 596tab description files for a variety of terminals, used in 597the termcap file; 598see 599.Xr termcap 5 600.It Sy tmac/ 601text processing macros; 602see 603.Xr nroff 1 604and 605.Xr troff 1 606.It Sy zoneinfo/ 607timezone configuration information; 608see 609.Xr tzfile 5 610.El 611.Pp 612.El 613.Pp 614.It Sy /usr/src/ 615.Nx 616and local source files 617.Pp 618.Bl -tag -width "domestic/" -compact 619.It Sy bin/ 620source for utilities/files in 621.Pa /bin 622.It Sy crypto/ 623cryptographic source, which may have import or export restrictions 624.It Sy dist/ 625third-party 626.Sq virgin 627source code, referenced by other parts of the source tree 628.It Sy distrib/ 629tools and data-files for making distributions 630.It Sy doc/ 631documentation about the source tree (i.e., about the tree, not about 632how to use the built software.) 633.It Sy etc/ 634source (usually example files) for files in 635.Pa /etc 636.It Sy games/ 637source for utilities/files in 638.Pa /usr/games 639.It Sy gnu/ 640source for programs covered by the 641.Tn GNU 642license (or similar) 643.It Sy include/ 644source for files in 645.Pa /usr/include 646.It Sy lib/ 647source for libraries in 648.Pa /usr/lib 649.It Sy libexec/ 650source for utilities/files in 651.Pa /usr/libexec 652.It Sy regress/ 653various regression tests 654.It Sy rescue/ 655source/makefiles for /rescue 656.It Sy sbin/ 657source for utilities/files in 658.Pa /sbin 659.It Sy share/ 660source for files in 661.Pa /usr/share 662.Pp 663.Bl -tag -width "doc/" -compact 664.It Sy doc/ 665.Pp 666.Bl -tag -width "papers/" -compact 667.It Sy papers/ 668source for various Berkeley technical papers 669.It Sy psd/ 670source for Programmer's Supplementary Documents 671.It Sy smm/ 672source for System Manager's Manual 673.It Sy usd/ 674source for User's Supplementary Documents 675.Pp 676.El 677.El 678.It Sy sys/ 679kernel source files 680.Pp 681.Bl -tag -width "gdbscripts/" -compact 682.It Sy arch/ 683architecture-specific support 684.Pp 685.Bl -tag -width "playstation2/" -compact 686.It Sy acorn26/ 687Acorn Archimedes, A-series and R-series systems 688.It Sy acorn32/ 689Acorn RiscPC/A7000 and VLSI RC7500 690.It Sy algor/ 691Algorithmics Ltd. MIPS evaluations boards 692.It Sy alpha/ 693Digital/Compaq Alpha 694.It Sy amd64/ 695Computers with x86_64 capable CPUs 696.It Sy amiga/ 697Commodore Amiga and MacroSystem DraCo 698.It Sy amigappc/ 699PowerPC based Amiga boards 700.It Sy arc/ 701MIPS-based machines following the Advanced RISC Computing spec 702.It Sy arm/ 703ARM processor general support 704.It Sy atari/ 705Atari TT030, Falcon and Hades 706.It Sy bebox/ 707Be Inc. BeBox 708.It Sy cats/ 709Chalice Technology's CATS and Intel's EBSA-285 evaluation boards 710.It Sy cesfic/ 711CES FIC8234 VME processor board 712.It Sy cobalt/ 713Cobalt Networks' MIPS-based Microserver 714.It Sy dreamcast/ 715Sega Dreamcast game console 716.It Sy evbarm/ 717ARM based evaluation boards 718.It Sy evbmips/ 719MIPS based evaluation boards 720.It Sy evbppc/ 721PowerPC based evaluation boards and appliances 722.It Sy evbsh3/ 723SH3/SH4 based evaluation boards 724.It Sy evbsh5/ 725SH5 based evaluation boards 726.It Sy ews4800mips/ 727NEC's MIPS based EWS4800 workstations 728.It Sy hp300/ 729Hewlett-Packard 9000/300 and 400 680x0-based workstations 730.It Sy hp700/ 731Hewlett-Packard 9000/700 HPPA based workstations 732.It Sy hpcarm/ 733StrongARM based WinCE PDA machines 734.It Sy hpcmips/ 735MIPS based WinCE PDA machines 736.It Sy hpcsh/ 737Hitachi SH3/4 based WinCE PDA machines 738.It Sy hppa/ 739HPPA processor general support 740.It Sy i386/ 74180x86-based IBM PCs and clones 742.It Sy ibmnws/ 743IBM Network Station 1000 744.It Sy iyonix/ 745Castle Technology's Iyonix ARM based PCs 746.It Sy luna68k/ 747Omron Tateishi Electric's 680x0-based LUNA workstations 748.It Sy m68k/ 749680x0 processor general support 750.It Sy mac68k/ 751Apple Macintosh with 68k CPU 752.It Sy macppc/ 753Apple Power Macintosh and clones 754.It Sy mips/ 755MIPS processor general support 756.It Sy mipsco/ 757MIPS Computer Systems Inc. family of workstations and servers 758.It Sy mmeye/ 759Brains Inc. SH3 based mmEye multimedia server 760.It Sy mvme68k/ 761Motorola MVME 680x0-based SBCs 762.It Sy mvmeppc/ 763Motorola PowerPC VME SBCs 764.It Sy netwinder/ 765StrongARM based NetWinder machines 766.It Sy news68k/ 767Sony's 680x0-based NEWS workstations 768.It Sy newsmips/ 769Sony's MIPS-based NEWS workstations 770.It Sy next68k/ 771NeXT 68k "black" hardware 772.It Sy ofppc/ 773Open Firmware PowerPC workstations 774.It Sy pc532/ 775The NS32532-based PC532 computer 776.It Sy playstation2/ 777SONY PlayStation 2 778.It Sy pmax/ 779Digital MIPS-based DECstations and DECsystems 780.It Sy pmppc/ 781Artesyn's PM/PPC board 782.It Sy powerpc/ 783PowerPC processor support 784.It Sy prep/ 785PReP (PowerPC Reference Platform) and CHRP machines 786.It Sy sandpoint/ 787Motorola Sandpoint reference platform 788.It Sy sbmips/ 789Broadcom/SiByte evaluation boards 790.It Sy sgimips/ 791Silicon Graphics' MIPS-based workstations 792.It Sy sh3/ 793SH3/SH4 processor general support 794.It Sy sh5/ 795SH5 processor general support 796.It Sy shark/ 797Digital DNARD ("Shark") 798.It Sy sparc/ 799Sun Microsystems SPARC (32-bit) and UltraSPARC (in 32-bit mode) 800.It Sy sparc64/ 801Sun Microsystems UltraSPARC (in native 64-bit mode) 802.It Sy sun2/ 803Sun Microsystems 68010-based Sun 2 architecture 804.It Sy sun3/ 805Sun Microsystems 68020/68030-based Sun 3/3x architecture 806.It Sy sun68k/ 807680x0-based Sun architecture general support 808.It Sy vax/ 809Digital VAX 810.It Sy x68k/ 811Sharp X680x0 680x0-based workstations 812.It Sy x86/ 813General support for PC/AT compatibles with ia32 or x86_64 CPUs 814.It Sy xen/ 815The Xen virtual machine monitor 816El 817.Pp 818.It Sy compat/ 819kernel compatibility modules directory 820.Pp 821.Bl -tag -width "ossaudio/" -compact 822.It Sy common/ 823common compatibility routines, old 824.Bx 4 825and 826.Nx 827routines. 828.It Sy freebsd/ 829support for 830.Fx 831binaries; see 832.Xr compat_freebsd 8 833.It Sy hpux/ 834support for 68000 HP-UX binaries 835.It Sy ibcs2/ 836support for Intel Binary binaries 837.It Sy linux/ 838support for Linux binaries; see 839.Xr compat_linux 8 840.It Sy m68k4k/ 841support for 4KB page 68000 binaries 842.It Sy netbsd32/ 843support for 844.Nx 84532-bit binaries on 64 bit platforms with compatible CPU families 846.It Sy osf1/ 847support for 848.Tn Digital 849.Ux 850.Po 851formerly 852.Tn OSF/1 853.Pc 854binaries 855.It Sy ossaudio/ 856support for OSS audio 857.It Sy pecoff/ 858support for 859.Tn Win32 860binaries; see 861.Xr compat_pecoff 8 862.It Sy sunos/ 863support for 864.Tn SunOS 4.x 865binaries; see 866.Xr compat_sunos 8 867.It Sy svr4/ 868support for System V Release 4 binaries; see 869.Xr compat_svr4 8 870.It Sy ultrix/ 871support for 872.Tn ULTRIX 873binaries 874.It Sy vax1k/ 875support for older VAX binaries that started on a 1 KB boundary 876.El 877.Pp 878.It Sy conf/ 879architecture independent configuration directory 880.It Sy crypto/ 881cryptographic kernel source, which may have import or export restrictions 882.It Sy ddb/ 883in kernel debugger 884.It Sy dev/ 885architecture independent device support 886.It Sy fs/ 887miscellaneous file systems 888.Bl -tag -width "filecorefs/" -compact 889.It Sy adosfs/ 890AmigaDOS file-system support; see 891.Xr mount_ados 8 892.It Sy cd9660/ 893support for the ISO-9660 filesystem; see 894.Xr mount_cd9660 8 895.It Sy filecorefs/ 896support for the Acorn RISC OS filecore filesystem; see 897.Xr mount_filecore 8 898.It Sy msdosfs/ 899.Tn MS-DOS 900file system; see 901.Xr mount_msdos 8 902.It Sy ntfs/ 903NTFS filesystem support; see 904.Xr mount_ntfs 8 905.It Sy ptyfs/ 906pseudo-terminal device filesystem; see 907.Xr mount_ptyfs 8 908.It Sy smbfs/ 909SMB/CIFS filesystem support; see 910.Xr mount_smbfs 8 911.It Sy union/ 912union file system; see 913.Xr mount_union 8 914.El 915.It Sy gdbscripts/ 916support for accessing kernel structures from within the debugger 917.Xr gdb 1 . 918.It Sy ipkdb/ 919support for kernel debugging over the network 920.Pp 921.It Sy kern/ 922support for the high kernel (system calls) 923.It Sy lib/ 924kernel libraries 925.Pp 926.Bl -tag -width "libkern/" -compact 927.It Sy libkern/ 928C library routines used in the kernel 929.It Sy libsa/ 930machine independent stand alone kernel library 931.It Sy libz/ 932compression library 933.El 934.Pp 935.It Sy lkm/ 936loadable kernel modules 937.Pp 938.Bl -tag -width "gdbscripts/" -compact 939.It Sy compat/ 940LKM support compatibility modules; currently unsupported. 941.It Sy netinet/ 942LKM support networking modules 943.Pp 944.Bl -tag -width "if_ipl/" -compact 945.It Sy if_ipl/ 946LKM for IP-Filter 947.El 948.Pp 949.It Sy vfs/ 950LKM support for file systems. 951.El 952.Pp 953.It Sy miscfs/ 954miscellaneous file systems 955.Pp 956.Bl -tag -width "deadfs/" -compact 957.It Sy deadfs/ 958kernel only dead file system 959.It Sy fdesc/ 960file descriptor file system; see 961.Xr mount_fdesc 8 962.It Sy fifofs/ 963POSIX FIFO support 964.It Sy genfs/ 965kernel only generic file system 966.It Sy kernfs/ 967kernel namespace file system; see 968.Xr mount_kernfs 8 969.It Sy nullfs/ 970loop back file system; see 971.Xr mount_null 8 972.It Sy overlay/ 973overlay file system; see 974.Xr mount_overlay 8 975.It Sy portal/ 976portal file system; see 977.Xr mount_portal 8 978.It Sy procfs/ 979process file system; see 980.Xr mount_procfs 8 981.It Sy specfs/ 982kernel only special file system 983.It Sy syncfs/ 984kernel trickle sync algorithm 985.It Sy umapfs/ 986user and group re-mapping file system; see 987.Xr mount_umap 8 988.El 989.Pp 990.It Sy net/ 991miscellaneous networking support 992.It Sy netatalk/ 993AppleTalk networking support 994.It Sy netccitt/ 995CCITT networking support 996.It Sy netinet/ 997IP networking support 998.It Sy netinet6/ 999IPv6 networking support 1000.It Sy netiso/ 1001ISO networking support 1002.It Sy netkey/ 1003Key database for IPsec networking support 1004.It Sy netnatm/ 1005ATM networking support 1006.It Sy netns/ 1007XNS networking support 1008.It Sy nfs/ 1009NFS support 1010.It Sy stand/ 1011kernel standalone support 1012.It Sy sys/ 1013kernel (and system) include files 1014.It Sy ufs/ 1015local filesystem support 1016.Pp 1017.Bl -tag -width "ffs/" -compact 1018.It Sy ffs/ 1019the Berkeley Fast File System 1020.It Sy lfs/ 1021the log-structured file system 1022.It Sy mfs/ 1023the in-memory file system 1024.It Sy ufs/ 1025shared 1026.Ux 1027file system support 1028.El 1029.It Sy uvm/ 1030UVM virtual memory system 1031.El 1032.It Sy usr.bin/ 1033source for utilities/files in 1034.Pa /usr/bin 1035.It Sy usr.sbin/ 1036source for utilities/files in 1037.Pa /usr/sbin 1038.El 1039.It Sy /var/ 1040multi-purpose log, temporary, transient, and spool files 1041.Pp 1042.Bl -tag -width "preserve/" -compact 1043.It Sy account/ 1044system accounting files 1045.Pp 1046.Bl -tag -width "acct" -compact 1047.It Sy acct 1048execution accounting file; 1049see 1050.Xr acct 5 1051.El 1052.Pp 1053.It Sy at/ 1054timed command scheduling files; 1055see 1056.Xr at 1 1057.It Sy backups/ 1058miscellaneous backup files, largely of files found in 1059.Pa /etc 1060.It Sy chroot/ 1061home directories of applications which are run in a 1062.Xr chroot 8 1063.Dq cage . 1064.It Sy crash/ 1065system crash dumps; see 1066.Xr savecore 8 1067.It Sy cron/ 1068scheduled commands configuration files; see 1069.Xr cron 8 1070.It Sy db/ 1071miscellaneous automatically generated system-specific database files, 1072and persistent files used in the maintenance of third party software. 1073.Pp 1074.Bl -tag -width "monthly.out" -compact 1075.It Sy pkg 1076default location for metadata related to third party software 1077packages. 1078See 1079.Xr pkg_install 1 1080for more details of the 1081.Nx 1082Packages Collection, or pkgsrc. 1083.El 1084.Pp 1085.It Sy games/ 1086miscellaneous game status and log files 1087.It Sy heimdal/ 1088Kerberos 5 KDC database; see 1089.Xr kdc 8 1090.It Sy log/ 1091miscellaneous system log files 1092.Pp 1093.Bl -tag -width "monthly.out" -compact 1094.It Sy amd.* 1095.Xr amd 8 1096logs 1097.It Sy daily.out 1098output of the last run of the 1099.Pa /etc/daily 1100script 1101.It Sy ftp.* 1102.Xr ftp 1 1103logs 1104.It Sy kerberos.* 1105.Xr kerberos 8 1106logs 1107.It Sy lastlog 1108system last time logged in log; see 1109.Xr utmp 5 1110.It Sy lpd-errs.* 1111printer daemon error logs; see 1112.Xr lpd 8 1113.It Sy maillog.* 1114.Xr sendmail 8 1115log files 1116.It Sy messages.* 1117general system information log 1118.It Sy monthly.out 1119output of the last run of the 1120.Pa /etc/monthly 1121script 1122.It Sy secure 1123sensitive security information log 1124.It Sy sendmail.st 1125.Xr sendmail 8 1126statistics 1127.It Sy timed.* 1128.Xr timed 8 1129logs 1130.It Sy weekly.out 1131output of the last run of the 1132.Pa /etc/weekly 1133script 1134.It Sy wtmp 1135login/logout log; 1136see 1137.Xr utmp 5 1138.El 1139.Pp 1140.It Sy mail/ 1141user system mailboxes 1142.It Sy msgs/ 1143system messages; see 1144.Xr msgs 1 1145.\" since we use nvi (now called vi) this isn't the place any more, is it? 1146.It Sy preserve/ 1147temporary home of files preserved after an accidental death of 1148.Xr ex 1 1149or 1150.Xr vi 1 1151.It Sy quotas/ 1152filesystem quota information 1153.It Sy run/ 1154system information files, rebuilt after each reboot 1155.Pp 1156.Bl -tag -width "utmp" -compact 1157.It Sy utmp 1158database of current users; see 1159.Xr utmp 5 1160.El 1161.Pp 1162.It Sy rwho/ 1163rwho data files; see 1164.Xr rwhod 8 , 1165.Xr rwho 1 , 1166and 1167.Xr ruptime 1 1168.It Sy spool/ 1169miscellaneous printer and mail system spooling directories 1170.Pp 1171.Bl -tag -width "uucppublic/" -compact 1172.It Sy ftp/ 1173commonly 1174.Dq ~ftp , 1175the anonymous ftp root directory; see 1176.Xr ftpd 8 1177.It Sy mqueue/ 1178sendmail mail queue; 1179see 1180.Xr sendmail 8 1181.It Sy news/ 1182Network news archival and spooling directories 1183.It Sy output/ 1184printer spooling directories 1185.It Sy postfix/ 1186postfix mail queue; 1187see 1188.Xr postfix 1 1189.It Sy uucp/ 1190uucp spool directory 1191.It Sy uucppublic/ 1192commonly 1193.Dq ~uucp , 1194the uucp public temporary directory; see 1195.Xr uucp 1 1196.El 1197.Pp 1198.It Sy tmp/ 1199temporary files that are not discarded between system reboots 1200.Pp 1201.Bl -tag -width "vi.recover/" -compact 1202.It Sy vi.recover/ 1203recovery directory for new 1204.Xr vi 1 1205.El 1206.Pp 1207.It Sy yp/ 1208Databases and configuration for the NIS (YP) system; see 1209.Xr nis 8 . 1210.El 1211.El 1212.Sh SEE ALSO 1213.Xr apropos 1 , 1214.Xr ls 1 , 1215.Xr whatis 1 , 1216.Xr whereis 1 , 1217.Xr which 1 1218.Sh HISTORY 1219A 1220.Nm 1221manual page appeared in 1222.At v7 . 1223